40 Hz Frequency for Focus, Concentration and Memory

1. 1.40 Hz Frequency2:20
2. 2.40 Hz Concentration2:20
3. 3.40 Hz Brain Waves2:20
4. 4.40 Hz Deep Work2:20
5. 5.40 Hz Focus2:20
6. 6.40 Hz Activate Your Brain2:20
7. 7.Intense Study with 40 Hz2:20
8. 8.40 Hz Focus Frequency2:20
9. 9.40 Hz Super Brain Waves2:20
10. 10.40 Hz Limitless Focus2:20
11. 11.40 Hz Increase Focus, Concentration and Memory2:20
12. 12.40 Hz Tunnel Vision2:20
13. 13.40 Hz Increase Productivity2:20
14. 14.40 Hz Gamma Waves for Studying2:20
15. 15.40 Hz Improve Brain Function2:20
16. 16.40 Hz Gamma Brain Waves2:20
17. 17.40 Hz Flow State2:20
18. 18.40 Hz Brain Power Boost2:20
19. 19.40 Hz Super Focus2:20
20. 20.40 Hz Gamma Waves2:20